Voters stand in a queue at Kasimedu in Chennai on Tuesday. NEW DELHI: MK Stalin-led DMK and Tamil Nadu chief minister Edapaddi K Palaniswami-led AIADMK are locked in a tight battle in the state which voted on Tuesday. The two parties, which were similar in some respects, have slowly become more dissimilar. Similarities The most common point between the DMK and the AIADMK was that the two were led by charismatic leaders. The DMK was headed by M Karunanidhi from 1969 till his death on August 7, 2018. He was a screenwriter in Tamil films who rose to become the chief minister of the state on several occasions.